func fn() { str := "" for i := 0; i < 100000; i++ { str += fmt.Sprintf("%d", i) } fmt.Println(str) }
Senior
195
Golang
8397
379
How is a slice passed to a function in a programming language?
Junior — Middle
193
Tell me about design patterns. What is double-checked locking and what is it used for?
Senior
183
Explain why and which (regarding code output)
Senior
182
Is a Non-Repeatable Read possible when using the Read Committed isolation level?
Junior — Middle
181
Tell me how Redis works, what it is?
Senior
176
On line 7, it is concluded that the internal array will be overflowed and a new one will be created. Why did you decide that?
Senior
175
// What will be printed on each print? func fn(a []int) { a[2] = 5 a = append(a, 6) fmt.Println(a) // a = append(a, 7) a[0] = 5 fmt.Println(a) // } func main() { a := make([]int, 0, 5) for i := 0; i < 4; i++ { a = append(a, i) } fn(a[:3]) fmt.Println(a) // }
Senior
175
Explain how the goroutine scheduler works in Go (GMP)?
Senior
174
What happens to the Token Bucket rate limiter in the scenario: 1 request at the beginning of the second, 99 at the end, then another 100 in the next second?
Senior
168
Tell about your use of event-driven approach in your example.
Senior
166
Have there been any failures/problems at work?
Senior
166
// what's wrong with this code? how to improve it? func fn() { str := "" for i := 0; i < 100000; i++ { str += fmt.Sprintf("%d", i) } fmt.Println(str) }
Senior
165
Who architected the project — you as a feature lead, together with the team, or the team lead?
Senior
159
Explain what a map is in Go and how you understand it.
Senior
159
What tasks do you enjoy? What are you looking for?
Senior
158
Design a rate limiter for an external API with a limit of 100 requests per second/minute
Senior
157
// what will be printed on each print? func fn(a []int) { a[2] = 5 a = append(a, 6) fmt.Println(a) // a = append(a, 7) a[0] = 5 fmt.Println(a) // } func main() { a := make([]int, 0, 5) for i := 0; i < 4; i++ { a = append(a, i) } fn(a[:3]) fmt.Println(a) // }
Senior
153
How were they resolved?
Senior
151
Do you use Golang?
Senior
150